(Solved): Determine the number of possible routes from A to B if you travel only south or east. Show your work ...

Determine the number of possible routes from

to

if you travel only south or east. Show your work by writing the number of paths on the vertices. ( 4 marks) . The results of a blood test at a medical laboratory are normally distributed with

and

. a) What is the probability that a blood test chosen randomly from these data has a score greater than 90 ? Illustrate this on the normal curve below. ( 2 marks) b) What percent of these blood tests will have results below 70 ? Illustrate this on the standard normal curve below. (3 markel